A void on the Martian surface that may contain caves, captured by the Mars Reconnaissance Orbiter’s (MRO) HiRISE camera
NASA/JPL/UArizona
Most of Mars is extremely inhospitable to life, but there may be a workaround – the areas near the entrances to caves may be shielded from some of the harmful radiation that bombards the planet’s surface.
Because Mars does not have a global magnetic field or a thick atmosphere like Earth, its surface is exposed to dangerous UV and ionising radiation from space, which presents a problem for native life and …
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